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		Stone cleaning in Scotland : Research Comission investigating the effects of cleaning of sandstone : research summary / conducted by the Masonry Conservation Research Group of the Robert Gordon Institute of TechonolyPublication: [Edinburgh] : Historic Scotland, Scottish Enterprise, the Robert Gordon Institute of Technology, 1992Description: 93 p. : il. ; 30 cmAvailability: Items available for loan: Call number: NA105.ROB FCT 57237 (1). Place hold
		Stone cleaning in Scotland : Research Comission investigating the effects of cleaning of sandstone : volume one : research report / conducted by the Masonry Conservation Research Group of the Robert Gordon Institute of TechonolyPublication: [Edinburgh] : Historic Scotland, Scottish Enterprise, The Robert Gordon Institute of Technology, 1992Description: VII, 148 p. : il. ; 30 cmAvailability: Items available for loan: Call number: NA105.ROB FCT 57238 (1). Place hold
		Stone cleaning in Scotland : Research Comission investigating the effects of cleaning of sandstone : volume two : research report / conducted by the Masonry Conservation Research Group of the Robert Gordon Institute of TechonolyPublication: [Edinburgh] : Historic Scotland, Scottish Enterprise, The Robert Gordon Institute of Technology, 1992Description: p. 149-440 : il. ; 30 cmAvailability: Items available for loan: Call number: NA105.ROB FCT 57239 (1). Place hold
		Stone cleaning in Scotland : Research Comission investigating the effects of cleaning of sandstone : volume three : research report / conducted by the Masonry Conservation Research Group of the Robert Gordon Institute of TechonolyPublication: [Edinburgh] : Historic Scotland, Scottish Enterprise, The Robert Gordon Institute of Technology, 1992Description: p. 441-665 : il. ; 30 cmAvailability: Items available for loan: Call number: NA105.ROB FCT 57240 (1). Place hold